Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
nnhan dang » nhan dan, phan dang, chan dang
nhan dang » nhan dan, phan dang, tran dang
thong dat » thong dan, thong dam, thong day
ca thong » ca thuong, cac thong, va thong
dat tren » dat trong, dua tren
tren co » truyen co

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu khang - ((nnhan dang) or (nhan dang)) ca thong thong dat tren co~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - ((nnhan dang) OR (nhan dang)) ca thong thong dat tren co.
• Adding a wildcard symbol may retrieve word variants: toc thieu khang - ((nnhan dang) or (nhan dang)) ca thong thong dat tren co*.